<template>
    <div :class="{ hidden: hidden }" class="pagination-container">
        <el-pagination
            v-model:current-page="currentPage"
            v-model:page-size="pageSize"
            :background="background"
            :layout="layout"
            :page-sizes="pageSizes"
            :pager-count="pagerCount"
            :total="total"
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
        />
    </div>
</template>

<script setup name="Pagination" lang="ts">
import { scrollTo } from '@/utils/ruoyi';
import { propTypes } from '@/utils/ruoyi';

const props = defineProps({
    total: propTypes.number,
    page: propTypes.number.def(1),
    limit: propTypes.number.def(20),
    pageSizes: { type: Array<number>, default: () => [10, 20, 30, 50] },
    // 移动端页码按钮的数量端默认值5
    pagerCount: propTypes.number.def(document.body.clientWidth < 992 ? 5 : 7),
    layout: propTypes.string.def('total, sizes, prev, pager, next, jumper'),
    background: propTypes.bool.def(true),
    autoScroll: propTypes.bool.def(true),
    hidden: propTypes.bool.def(false),
    float: propTypes.string.def('right')
});

const emit = defineEmits(['update:page', 'update:limit', 'pagination']);
const currentPage = computed({
    get() {
        return props.page;
    },
    set(val) {
        emit('update:page', val);
    }
});
const pageSize = computed({
    get() {
        return props.limit;
    },
    set(val) {
        emit('update:limit', val);
    }
});
function handleSizeChange(val: number) {
    if (currentPage.value * val > props.total) {
        currentPage.value = 1;
    }
    emit('pagination', { page: currentPage.value, limit: val });
    if (props.autoScroll) {
        scrollTo(0, 800);
    }
}
function handleCurrentChange(val: number) {
    emit('pagination', { page: val, limit: pageSize.value });
    if (props.autoScroll) {
        scrollTo(0, 800);
    }
}
</script>

<style lang="scss" scoped>
.pagination-container {
    .el-pagination {
        float: v-bind(float);
    }
}
.pagination-container.hidden {
    display: none;
}
</style>
